using namespace llvm;
-// FIXME: Remove this once soft-float is supported.
-static cl::opt<bool> DisablePPCFloatInVariadic("disable-ppc-float-in-variadic",
-cl::desc("disable saving float registers for va_start on PPC"), cl::Hidden);
-
static cl::opt<bool> DisablePPCPreinc("disable-ppc-preinc",
cl::desc("disable preincrement load/store generation on PPC"), cl::Hidden);
// Set up the register classes.
addRegisterClass(MVT::i32, &PPC::GPRCRegClass);
- addRegisterClass(MVT::f32, &PPC::F4RCRegClass);
- addRegisterClass(MVT::f64, &PPC::F8RCRegClass);
+ if (!Subtarget.useSoftFloat()) {
+ addRegisterClass(MVT::f32, &PPC::F4RCRegClass);
+ addRegisterClass(MVT::f64, &PPC::F8RCRegClass);
+ }
// PowerPC has an i16 but no i8 (or i1) SEXTLOAD
for (MVT VT : MVT::integer_valuetypes()) {
setOperationAction(ISD::SINT_TO_FP, MVT::i32, Expand);
setOperationAction(ISD::UINT_TO_FP, MVT::i32, Expand);
- setOperationAction(ISD::BITCAST, MVT::f32, Expand);
- setOperationAction(ISD::BITCAST, MVT::i32, Expand);
- setOperationAction(ISD::BITCAST, MVT::i64, Expand);
- setOperationAction(ISD::BITCAST, MVT::f64, Expand);
+ if (Subtarget.hasDirectMove()) {
+ setOperationAction(ISD::BITCAST, MVT::f32, Legal);
+ setOperationAction(ISD::BITCAST, MVT::i32, Legal);
+ setOperationAction(ISD::BITCAST, MVT::i64, Legal);
+ setOperationAction(ISD::BITCAST, MVT::f64, Legal);
+ } else {
+ setOperationAction(ISD::BITCAST, MVT::f32, Expand);
+ setOperationAction(ISD::BITCAST, MVT::i32, Expand);
+ setOperationAction(ISD::BITCAST, MVT::i64, Expand);
+ setOperationAction(ISD::BITCAST, MVT::f64, Expand);
+ }
// We cannot sextinreg(i1). Expand to shifts.
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i1, Expand);
setOperationAction(ISD::STACKRESTORE , MVT::Other, Custom);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32 , Custom);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64 , Custom);
+ setOperationAction(ISD::GET_DYNAMIC_AREA_OFFSET, MVT::i32, Custom);
+ setOperationAction(ISD::GET_DYNAMIC_AREA_OFFSET, MVT::i64, Custom);
// We want to custom lower some of our intrinsics.
setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::Other, Custom);
setOperationAction(ISD::CTTZ_ZERO_UNDEF, VT, Expand);
setOperationAction(ISD::VSELECT, VT, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, VT, Expand);
+ setOperationAction(ISD::ROTL, VT, Expand);
+ setOperationAction(ISD::ROTR, VT, Expand);
for (MVT InnerVT : MVT::vector_valuetypes()) {
setTruncStoreAction(VT, InnerVT, Expand);
setOperationAction(ISD::MUL, MVT::v4i32, Legal);
else
setOperationAction(ISD::MUL, MVT::v4i32, Custom);
-
+
setOperationAction(ISD::MUL, MVT::v8i16, Custom);
setOperationAction(ISD::MUL, MVT::v16i8, Custom);
if (Subtarget.hasVSX()) {
setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v2f64, Legal);
- if (Subtarget.hasP8Vector())
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2f64, Legal);
+ if (Subtarget.hasP8Vector()) {
setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v4f32, Legal);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4f32, Legal);
+ }
if (Subtarget.hasDirectMove()) {
setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v16i8, Legal);
setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v8i16, Legal);
setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v4i32, Legal);
- // FIXME: this is causing bootstrap failures, disable temporarily
- //setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v2i64, Legal);
+ setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v2i64, Legal);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v16i8, Legal);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v8i16, Legal);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4i32, Legal);
+ setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2i64, Legal);
}
setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v2f64, Legal);
setLibcallName(RTLIB::SRA_I128, nullptr);
}
- if (isPPC64) {
- setStackPointerRegisterToSaveRestore(PPC::X1);
- setExceptionPointerRegister(PPC::X3);
- setExceptionSelectorRegister(PPC::X4);
- } else {
- setStackPointerRegisterToSaveRestore(PPC::R1);
- setExceptionPointerRegister(PPC::R3);
- setExceptionSelectorRegister(PPC::R4);
- }
+ setStackPointerRegisterToSaveRestore(isPPC64 ? PPC::X1 : PPC::R1);
// We have target-specific dag combine patterns for the following nodes:
setTargetDAGCombine(ISD::SINT_TO_FP);
return Align;
}
+bool PPCTargetLowering::useSoftFloat() const {
+ return Subtarget.useSoftFloat();
+}
+
const char *PPCTargetLowering::getTargetNodeName(unsigned Opcode) const {
switch ((PPCISD::NodeType)Opcode) {
case PPCISD::FIRST_NUMBER: break;
case PPCISD::Lo: return "PPCISD::Lo";
case PPCISD::TOC_ENTRY: return "PPCISD::TOC_ENTRY";
case PPCISD::DYNALLOC: return "PPCISD::DYNALLOC";
+ case PPCISD::DYNAREAOFFSET: return "PPCISD::DYNAREAOFFSET";
case PPCISD::GlobalBaseReg: return "PPCISD::GlobalBaseReg";
case PPCISD::SRL: return "PPCISD::SRL";
case PPCISD::SRA: return "PPCISD::SRA";
/// isVMRGLShuffleMask - Return true if this is a shuffle mask suitable for
/// a VMRGL* instruction with the specified unit size (1,2 or 4 bytes).
-/// The ShuffleKind distinguishes between big-endian merges with two
+/// The ShuffleKind distinguishes between big-endian merges with two
/// different inputs (0), either-endian merges with two identical inputs (1),
/// and little-endian merges with two different inputs (2). For the latter,
/// the input operands are swapped (see PPCInstrAltivec.td).
/// isVMRGHShuffleMask - Return true if this is a shuffle mask suitable for
/// a VMRGH* instruction with the specified unit size (1,2 or 4 bytes).
-/// The ShuffleKind distinguishes between big-endian merges with two
+/// The ShuffleKind distinguishes between big-endian merges with two
/// different inputs (0), either-endian merges with two identical inputs (1),
/// and little-endian merges with two different inputs (2). For the latter,
/// the input operands are swapped (see PPCInstrAltivec.td).
* - 2 = little-endian merge with two different inputs (inputs are swapped for
* little-endian merges).
* \param[in] DAG The current SelectionDAG
- * \return true iff this shuffle mask
+ * \return true iff this shuffle mask
*/
bool PPC::isVMRGEOShuffleMask(ShuffleVectorSDNode *N, bool CheckEven,
unsigned ShuffleKind, SelectionDAG &DAG) {
/// isVSLDOIShuffleMask - If this is a vsldoi shuffle mask, return the shift
/// amount, otherwise return -1.
-/// The ShuffleKind distinguishes between big-endian operations with two
+/// The ShuffleKind distinguishes between big-endian operations with two
/// different inputs (0), either-endian operations with two identical inputs
/// (1), and little-endian operations with two different inputs (2). For the
/// latter, the input operands are swapped (see PPCInstrAltivec.td).
for (unsigned i = 0; i != Multiple-1; ++i) {
if (!UniquedVals[i].getNode()) continue; // Must have been undefs.
- LeadingZero &= cast<ConstantSDNode>(UniquedVals[i])->isNullValue();
- LeadingOnes &= cast<ConstantSDNode>(UniquedVals[i])->isAllOnesValue();
+ LeadingZero &= isNullConstant(UniquedVals[i]);
+ LeadingOnes &= isAllOnesConstant(UniquedVals[i]);
}
// Finally, check the least significant entry.
if (LeadingZero) {
return isIntS16Immediate(Op.getNode(), Imm);
}
-
/// SelectAddressRegReg - Given the specified addressed, check to see if it
/// can be represented as an indexed [r+r] operation. Returns false if it
/// can be more efficiently represented with [r+imm].
// */
// } va_list[1];
-
SDValue ArgGPR = DAG.getConstant(FuncInfo->getVarArgsNumGPR(), dl, MVT::i32);
SDValue ArgFPR = DAG.getConstant(FuncInfo->getVarArgsNumFPR(), dl, MVT::i32);
#include "PPCGenCallingConv.inc"
-// Function whose sole purpose is to kill compiler warnings
+// Function whose sole purpose is to kill compiler warnings
// stemming from unused functions included from PPCGenCallingConv.inc.
CCAssignFn *PPCTargetLowering::useFastISelCCs(unsigned Flag) const {
return Flag ? CC_PPC64_ELF_FIS : RetCC_PPC64_ELF_FIS;
PPC::F8
};
unsigned NumFPArgRegs = array_lengthof(FPArgRegs);
- if (DisablePPCFloatInVariadic)
- NumFPArgRegs = 0;
+
+ if (Subtarget.useSoftFloat())
+ NumFPArgRegs = 0;
FuncInfo->setVarArgsNumGPR(CCInfo.getFirstUnallocated(GPArgRegs));
FuncInfo->setVarArgsNumFPR(CCInfo.getFirstUnallocated(FPArgRegs));
EVT ObjType = (ObjSize == 1 ? MVT::i8 :
(ObjSize == 2 ? MVT::i16 : MVT::i32));
Store = DAG.getTruncStore(Val.getValue(1), dl, Val, Arg,
- MachinePointerInfo(FuncArg),
- ObjType, false, false, 0);
+ MachinePointerInfo(&*FuncArg), ObjType,
+ false, false, 0);
} else {
// For sizes that don't fit a truncating store (3, 5, 6, 7),
// store the whole register as-is to the parameter save area
// slot.
- Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
- MachinePointerInfo(FuncArg),
- false, false, 0);
+ Store =
+ DAG.getStore(Val.getValue(1), dl, Val, FIN,
+ MachinePointerInfo(&*FuncArg), false, false, 0);
}
MemOps.push_back(Store);
SDValue Off = DAG.getConstant(j, dl, PtrVT);
Addr = DAG.getNode(ISD::ADD, dl, Off.getValueType(), Addr, Off);
}
- SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, Addr,
- MachinePointerInfo(FuncArg, j),
- false, false, 0);
+ SDValue Store =
+ DAG.getStore(Val.getValue(1), dl, Val, Addr,
+ MachinePointerInfo(&*FuncArg, j), false, false, 0);
MemOps.push_back(Store);
++GPR_idx;
}
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
EVT ObjType = ObjSize == 1 ? MVT::i8 : MVT::i16;
SDValue Store = DAG.getTruncStore(Val.getValue(1), dl, Val, FIN,
- MachinePointerInfo(FuncArg),
+ MachinePointerInfo(&*FuncArg),
ObjType, false, false, 0);
MemOps.push_back(Store);
++GPR_idx;
int FI = MFI->CreateFixedObject(PtrByteSize, ArgOffset, true);
SDValue FIN = DAG.getFrameIndex(FI, PtrVT);
SDValue Val = DAG.getCopyFromReg(Chain, dl, VReg, PtrVT);
- SDValue Store = DAG.getStore(Val.getValue(1), dl, Val, FIN,
- MachinePointerInfo(FuncArg, j),
- false, false, 0);
+ SDValue Store =
+ DAG.getStore(Val.getValue(1), dl, Val, FIN,
+ MachinePointerInfo(&*FuncArg, j), false, false, 0);
MemOps.push_back(Store);
++GPR_idx;
ArgOffset += PtrByteSize;
TailCallArgumentInfo() : FrameIdx(0) {}
};
-
}
/// StoreTailCallArgumentsToStackSlot - Stores arguments to their stack slot.
continue;
break;
case MVT::v4f32:
- // When using QPX, this is handled like a FP register, otherwise, it
- // is an Altivec register.
+ // When using QPX, this is handled like a FP register, otherwise, it
+ // is an Altivec register.
if (Subtarget.hasQPX()) {
if (++NumFPRsUsed <= NumFPRs)
continue;
PrepareTailCall(DAG, InFlag, Chain, dl, true, SPDiff, NumBytes, LROp,
FPOp, true, TailCallArguments);
- return FinishCall(CallConv, dl, isTailCall, isVarArg, IsPatchPoint,
- hasNest, DAG, RegsToPass, InFlag, Chain, CallSeqStart,
- Callee, SPDiff, NumBytes, Ins, InVals, CS);
+ return FinishCall(CallConv, dl, isTailCall, isVarArg, IsPatchPoint, hasNest,
+ DAG, RegsToPass, InFlag, Chain, CallSeqStart, Callee,
+ SPDiff, NumBytes, Ins, InVals, CS);
}
SDValue
return DAG.getNode(PPCISD::RET_FLAG, dl, MVT::Other, RetOps);
}
+SDValue PPCTargetLowering::LowerGET_DYNAMIC_AREA_OFFSET(
+ SDValue Op, SelectionDAG &DAG, const PPCSubtarget &Subtarget) const {
+ SDLoc dl(Op);
+
+ // Get the corect type for integers.
+ EVT IntVT = Op.getValueType();
+
+ // Get the inputs.
+ SDValue Chain = Op.getOperand(0);
+ SDValue FPSIdx = getFramePointerFrameIndex(DAG);
+ // Build a DYNAREAOFFSET node.
+ SDValue Ops[2] = {Chain, FPSIdx};
+ SDVTList VTs = DAG.getVTList(IntVT);
+ return DAG.getNode(PPCISD::DYNAREAOFFSET, dl, VTs, Ops);
+}
+
SDValue PPCTargetLowering::LowerSTACKRESTORE(SDValue Op, SelectionDAG &DAG,
const PPCSubtarget &Subtarget) const {
// When we pop the dynamic allocation we need to restore the SP link.
SDNodeFlags Flags;
Flags.setNoInfs(true);
Flags.setNoNaNs(true);
-
+
ISD::CondCode CC = cast<CondCodeSDNode>(Op.getOperand(4))->get();
EVT ResVT = Op.getValueType();
// into 0 (false) and 1 (true), add 1 and then divide by 2 (multiply by 0.5).
// This can be done with an fma and the 0.5 constant: (V+1.0)*0.5 = 0.5*V+0.5
Value = DAG.getNode(PPCISD::QBFLT, dl, MVT::v4f64, Value);
-
+
SDValue FPHalfs = DAG.getConstantFP(0.5, dl, MVT::f64);
FPHalfs = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4f64, FPHalfs, FPHalfs,
FPHalfs, FPHalfs);
DAG.getConstant(IID, dl, MVT::i32), Op0, Op1, Op2);
}
-
/// BuildVSLDOI - Return a VECTOR_SHUFFLE that is a vsldoi of the specified
/// amount. The result has the specified value type.
static SDValue BuildVSLDOI(SDValue LHS, SDValue RHS, unsigned Amt,
for (unsigned i = 0; i < 4; ++i) {
if (BVN->getOperand(i).getOpcode() == ISD::UNDEF)
CV[i] = UndefValue::get(Type::getFloatTy(*DAG.getContext()));
- else if (cast<ConstantSDNode>(BVN->getOperand(i))->
- getConstantIntValue()->isZero())
+ else if (isNullConstant(BVN->getOperand(i)))
continue;
else
CV[i] = One;
if (SextVal >= -16 && SextVal <= 15)
return BuildSplatI(SextVal, SplatSize, Op.getValueType(), DAG, dl);
-
// Two instruction sequences.
// If this value is in the range [-32,30] and is even, use:
V1, V2, VPermMask);
}
-/// getAltivecCompareInfo - Given an intrinsic, return false if it is not an
-/// altivec comparison. If it is, return true and fill in Opc/isDot with
+/// getVectorCompareInfo - Given an intrinsic, return false if it is not a
+/// vector comparison. If it is, return true and fill in Opc/isDot with
/// information about the intrinsic.
-static bool getAltivecCompareInfo(SDValue Intrin, int &CompareOpc,
- bool &isDot, const PPCSubtarget &Subtarget) {
+static bool getVectorCompareInfo(SDValue Intrin, int &CompareOpc,
+ bool &isDot, const PPCSubtarget &Subtarget) {
unsigned IntrinsicID =
cast<ConstantSDNode>(Intrin.getOperand(0))->getZExtValue();
CompareOpc = -1;
case Intrinsic::ppc_altivec_vcmpequb_p: CompareOpc = 6; isDot = 1; break;
case Intrinsic::ppc_altivec_vcmpequh_p: CompareOpc = 70; isDot = 1; break;
case Intrinsic::ppc_altivec_vcmpequw_p: CompareOpc = 134; isDot = 1; break;
- case Intrinsic::ppc_altivec_vcmpequd_p:
+ case Intrinsic::ppc_altivec_vcmpequd_p:
if (Subtarget.hasP8Altivec()) {
CompareOpc = 199;
isDot = 1;
case Intrinsic::ppc_altivec_vcmpgtsb_p: CompareOpc = 774; isDot = 1; break;
case Intrinsic::ppc_altivec_vcmpgtsh_p: CompareOpc = 838; isDot = 1; break;
case Intrinsic::ppc_altivec_vcmpgtsw_p: CompareOpc = 902; isDot = 1; break;
- case Intrinsic::ppc_altivec_vcmpgtsd_p:
+ case Intrinsic::ppc_altivec_vcmpgtsd_p:
if (Subtarget.hasP8Altivec()) {
CompareOpc = 967;
isDot = 1;
case Intrinsic::ppc_altivec_vcmpgtub_p: CompareOpc = 518; isDot = 1; break;
case Intrinsic::ppc_altivec_vcmpgtuh_p: CompareOpc = 582; isDot = 1; break;
case Intrinsic::ppc_altivec_vcmpgtuw_p: CompareOpc = 646; isDot = 1; break;
- case Intrinsic::ppc_altivec_vcmpgtud_p:
+ case Intrinsic::ppc_altivec_vcmpgtud_p:
if (Subtarget.hasP8Altivec()) {
CompareOpc = 711;
isDot = 1;
return false;
break;
-
+ // VSX predicate comparisons use the same infrastructure
+ case Intrinsic::ppc_vsx_xvcmpeqdp_p:
+ case Intrinsic::ppc_vsx_xvcmpgedp_p:
+ case Intrinsic::ppc_vsx_xvcmpgtdp_p:
+ case Intrinsic::ppc_vsx_xvcmpeqsp_p:
+ case Intrinsic::ppc_vsx_xvcmpgesp_p:
+ case Intrinsic::ppc_vsx_xvcmpgtsp_p:
+ if (Subtarget.hasVSX()) {
+ switch (IntrinsicID) {
+ case Intrinsic::ppc_vsx_xvcmpeqdp_p: CompareOpc = 99; break;
+ case Intrinsic::ppc_vsx_xvcmpgedp_p: CompareOpc = 115; break;
+ case Intrinsic::ppc_vsx_xvcmpgtdp_p: CompareOpc = 107; break;
+ case Intrinsic::ppc_vsx_xvcmpeqsp_p: CompareOpc = 67; break;
+ case Intrinsic::ppc_vsx_xvcmpgesp_p: CompareOpc = 83; break;
+ case Intrinsic::ppc_vsx_xvcmpgtsp_p: CompareOpc = 75; break;
+ }
+ isDot = 1;
+ }
+ else
+ return false;
+
+ break;
+
// Normal Comparisons.
case Intrinsic::ppc_altivec_vcmpbfp: CompareOpc = 966; isDot = 0; break;
case Intrinsic::ppc_altivec_vcmpeqfp: CompareOpc = 198; isDot = 0; break;
case Intrinsic::ppc_altivec_vcmpgtsb: CompareOpc = 774; isDot = 0; break;
case Intrinsic::ppc_altivec_vcmpgtsh: CompareOpc = 838; isDot = 0; break;
case Intrinsic::ppc_altivec_vcmpgtsw: CompareOpc = 902; isDot = 0; break;
- case Intrinsic::ppc_altivec_vcmpgtsd:
+ case Intrinsic::ppc_altivec_vcmpgtsd:
if (Subtarget.hasP8Altivec()) {
CompareOpc = 967;
isDot = 0;
case Intrinsic::ppc_altivec_vcmpgtub: CompareOpc = 518; isDot = 0; break;
case Intrinsic::ppc_altivec_vcmpgtuh: CompareOpc = 582; isDot = 0; break;
case Intrinsic::ppc_altivec_vcmpgtuw: CompareOpc = 646; isDot = 0; break;
- case Intrinsic::ppc_altivec_vcmpgtud:
+ case Intrinsic::ppc_altivec_vcmpgtud:
if (Subtarget.hasP8Altivec()) {
CompareOpc = 711;
isDot = 0;
SDLoc dl(Op);
int CompareOpc;
bool isDot;
- if (!getAltivecCompareInfo(Op, CompareOpc, isDot, Subtarget))
+ if (!getVectorCompareInfo(Op, CompareOpc, isDot, Subtarget))
return SDValue(); // Don't custom lower most intrinsics.
// If this is a non-dot comparison, make the VCMP node and we are done.
FPHalfs = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4f64,
FPHalfs, FPHalfs, FPHalfs, FPHalfs);
- Value = DAG.getNode(ISD::FMA, dl, MVT::v4f64, Value, FPHalfs, FPHalfs);
+ Value = DAG.getNode(ISD::FMA, dl, MVT::v4f64, Value, FPHalfs, FPHalfs);
// Now convert to an integer and store.
Value = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f64,
FPHalfs = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4f64,
FPHalfs, FPHalfs, FPHalfs, FPHalfs);
- Value = DAG.getNode(ISD::FMA, dl, MVT::v4f64, Value, FPHalfs, FPHalfs);
+ Value = DAG.getNode(ISD::FMA, dl, MVT::v4f64, Value, FPHalfs, FPHalfs);
// Now convert to an integer and store.
Value = DAG.getNode(ISD::INTRINSIC_WO_CHAIN, dl, MVT::v4f64,
case ISD::STACKRESTORE: return LowerSTACKRESTORE(Op, DAG, Subtarget);
case ISD::DYNAMIC_STACKALLOC:
return LowerDYNAMIC_STACKALLOC(Op, DAG, Subtarget);
+ case ISD::GET_DYNAMIC_AREA_OFFSET: return LowerGET_DYNAMIC_AREA_OFFSET(Op, DAG, Subtarget);
case ISD::EH_SJLJ_SETJMP: return lowerEH_SJLJ_SETJMP(Op, DAG);
case ISD::EH_SJLJ_LONGJMP: return lowerEH_SJLJ_LONGJMP(Op, DAG);
N->getValueType(0));
SDVTList VTs = DAG.getVTList(SVT, MVT::Other);
SDValue NewInt = DAG.getNode(N->getOpcode(), dl, VTs, N->getOperand(0),
- N->getOperand(1));
+ N->getOperand(1));
Results.push_back(NewInt);
Results.push_back(NewInt.getValue(1));
}
}
-
//===----------------------------------------------------------------------===//
// Other Lowering Code
//===----------------------------------------------------------------------===//
const BasicBlock *LLVM_BB = BB->getBasicBlock();
MachineFunction *F = BB->getParent();
- MachineFunction::iterator It = BB;
- ++It;
+ MachineFunction::iterator It = ++BB->getIterator();
unsigned dest = MI->getOperand(0).getReg();
unsigned ptrA = MI->getOperand(1).getReg();
const BasicBlock *LLVM_BB = BB->getBasicBlock();
MachineFunction *F = BB->getParent();
- MachineFunction::iterator It = BB;
- ++It;
+ MachineFunction::iterator It = ++BB->getIterator();
unsigned dest = MI->getOperand(0).getReg();
unsigned ptrA = MI->getOperand(1).getReg();
MachineRegisterInfo &MRI = MF->getRegInfo();
const BasicBlock *BB = MBB->getBasicBlock();
- MachineFunction::iterator I = MBB;
- ++I;
+ MachineFunction::iterator I = ++MBB->getIterator();
// Memory Reference
MachineInstr::mmo_iterator MMOBegin = MI->memoperands_begin();
.addMBB(mainMBB);
MIB = BuildMI(*thisMBB, MI, DL, TII->get(PPC::B)).addMBB(sinkMBB);
- thisMBB->addSuccessor(mainMBB, /* weight */ 0);
- thisMBB->addSuccessor(sinkMBB, /* weight */ 1);
+ thisMBB->addSuccessor(mainMBB, BranchProbability::getZero());
+ thisMBB->addSuccessor(sinkMBB, BranchProbability::getOne());
// mainMBB:
// mainDstReg = 0
// To "insert" these instructions we actually have to insert their
// control-flow patterns.
const BasicBlock *LLVM_BB = BB->getBasicBlock();
- MachineFunction::iterator It = BB;
- ++It;
+ MachineFunction::iterator It = ++BB->getIterator();
MachineFunction *F = BB->getParent();
for (SmallSet<SDNode *, 16>::iterator I = LoadRoots.begin(),
IE = LoadRoots.end(); I != IE; ++I) {
Queue.push_back(*I);
-
+
while (!Queue.empty()) {
SDNode *LoadRoot = Queue.pop_back_val();
if (!Visited.insert(LoadRoot).second)
}
// Visit all inputs, collect all binary operations (and, or, xor and
- // select) that are all fed by extensions.
+ // select) that are all fed by extensions.
while (!BinOps.empty()) {
SDValue BinOp = BinOps.back();
BinOps.pop_back();
BinOp.getOperand(i).getOpcode() == ISD::ANY_EXTEND) &&
BinOp.getOperand(i).getOperand(0).getValueType() == MVT::i1) ||
isa<ConstantSDNode>(BinOp.getOperand(i))) {
- Inputs.push_back(BinOp.getOperand(i));
+ Inputs.push_back(BinOp.getOperand(i));
} else if (BinOp.getOperand(i).getOpcode() == ISD::AND ||
BinOp.getOperand(i).getOpcode() == ISD::OR ||
BinOp.getOperand(i).getOpcode() == ISD::XOR ||
if (isa<ConstantSDNode>(Inputs[i]))
continue;
else
- DAG.ReplaceAllUsesOfValueWith(Inputs[i], Inputs[i].getOperand(0));
+ DAG.ReplaceAllUsesOfValueWith(Inputs[i], Inputs[i].getOperand(0));
}
// Replace all operations (these are all the same, but have a different
SmallPtrSet<SDNode *, 16> Visited;
// Visit all inputs, collect all binary operations (and, or, xor and
- // select) that are all fed by truncations.
+ // select) that are all fed by truncations.
while (!BinOps.empty()) {
SDValue BinOp = BinOps.back();
BinOps.pop_back();
if (BinOp.getOperand(i).getOpcode() == ISD::TRUNCATE ||
isa<ConstantSDNode>(BinOp.getOperand(i))) {
- Inputs.push_back(BinOp.getOperand(i));
+ Inputs.push_back(BinOp.getOperand(i));
} else if (BinOp.getOperand(i).getOpcode() == ISD::AND ||
BinOp.getOperand(i).getOpcode() == ISD::OR ||
BinOp.getOperand(i).getOpcode() == ISD::XOR ||
switch (N->getOpcode()) {
default: break;
case PPCISD::SHL:
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N->getOperand(0))) {
- if (C->isNullValue()) // 0 << V -> 0.
+ if (isNullConstant(N->getOperand(0))) // 0 << V -> 0.
return N->getOperand(0);
- }
break;
case PPCISD::SRL:
- if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N->getOperand(0))) {
- if (C->isNullValue()) // 0 >>u V -> 0.
+ if (isNullConstant(N->getOperand(0))) // 0 >>u V -> 0.
return N->getOperand(0);
- }
break;
case PPCISD::SRA:
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N->getOperand(0))) {
break;
case ISD::SIGN_EXTEND:
case ISD::ZERO_EXTEND:
- case ISD::ANY_EXTEND:
+ case ISD::ANY_EXTEND:
return DAGCombineExtBoolTrunc(N, DCI);
case ISD::TRUNCATE:
case ISD::SETCC:
case ISD::BRCOND: {
SDValue Cond = N->getOperand(1);
SDValue Target = N->getOperand(2);
-
+
if (Cond.getOpcode() == ISD::INTRINSIC_W_CHAIN &&
cast<ConstantSDNode>(Cond.getOperand(1))->getZExtValue() ==
Intrinsic::ppc_is_decremented_ctr_nonzero) {
cast<ConstantSDNode>(LHS.getOperand(0).getOperand(1))->getZExtValue() ==
Intrinsic::ppc_is_decremented_ctr_nonzero &&
isa<ConstantSDNode>(LHS.getOperand(1)) &&
- !cast<ConstantSDNode>(LHS.getOperand(1))->getConstantIntValue()->
- isZero())
+ !isNullConstant(LHS.getOperand(1)))
LHS = LHS.getOperand(0);
if (LHS.getOpcode() == ISD::INTRINSIC_W_CHAIN &&
if (LHS.getOpcode() == ISD::INTRINSIC_WO_CHAIN &&
isa<ConstantSDNode>(RHS) && (CC == ISD::SETEQ || CC == ISD::SETNE) &&
- getAltivecCompareInfo(LHS, CompareOpc, isDot, Subtarget)) {
+ getVectorCompareInfo(LHS, CompareOpc, isDot, Subtarget)) {
assert(isDot && "Can't compare against a vector result!");
// If this is a comparison against something other than 0/1, then we know
// boundary so that the entire loop fits in one instruction-cache line.
uint64_t LoopSize = 0;
for (auto I = ML->block_begin(), IE = ML->block_end(); I != IE; ++I)
- for (auto J = (*I)->begin(), JE = (*I)->end(); J != JE; ++J)
+ for (auto J = (*I)->begin(), JE = (*I)->end(); J != JE; ++J) {
LoopSize += TII->GetInstSizeInBytes(J);
+ if (LoopSize > 32)
+ break;
+ }
if (LoopSize > 16 && LoopSize <= 32)
return 5;
return std::make_pair(0U, &PPC::QFRCRegClass);
if (VT == MVT::v4f32 && Subtarget.hasQPX())
return std::make_pair(0U, &PPC::QSRCRegClass);
- return std::make_pair(0U, &PPC::VRRCRegClass);
+ if (Subtarget.hasAltivec())
+ return std::make_pair(0U, &PPC::VRRCRegClass);
case 'y': // crrc
return std::make_pair(0U, &PPC::CRRCRegClass);
}
- } else if (Constraint == "wc") { // an individual CR bit.
+ } else if (Constraint == "wc" && Subtarget.useCRBits()) {
+ // An individual CR bit.
return std::make_pair(0U, &PPC::CRBITRCRegClass);
- } else if (Constraint == "wa" || Constraint == "wd" ||
- Constraint == "wf") {
+ } else if ((Constraint == "wa" || Constraint == "wd" ||
+ Constraint == "wf") && Subtarget.hasVSX()) {
return std::make_pair(0U, &PPC::VSRCRegClass);
- } else if (Constraint == "ws") {
- if (VT == MVT::f32)
+ } else if (Constraint == "ws" && Subtarget.hasVSX()) {
+ if (VT == MVT::f32 && Subtarget.hasP8Vector())
return std::make_pair(0U, &PPC::VSSRCRegClass);
else
return std::make_pair(0U, &PPC::VSFRCRegClass);
return R;
}
-
/// LowerAsmOperandForConstraint - Lower the specified operand into the Ops
/// vector. If it is invalid, don't add anything to Ops.
void PPCTargetLowering::LowerAsmOperandForConstraint(SDValue Op,
assert(Ty->isIntegerTy());
unsigned BitSize = Ty->getPrimitiveSizeInBits();
- if (BitSize == 0 || BitSize > 64)
- return false;
- return true;
+ return !(BitSize == 0 || BitSize > 64);
}
bool PPCTargetLowering::isTruncateFree(Type *Ty1, Type *Ty2) const {
return ScratchRegs;
}
+unsigned PPCTargetLowering::getExceptionPointerRegister(
+ const Constant *PersonalityFn) const {
+ return Subtarget.isPPC64() ? PPC::X3 : PPC::R3;
+}
+
+unsigned PPCTargetLowering::getExceptionSelectorRegister(
+ const Constant *PersonalityFn) const {
+ return Subtarget.isPPC64() ? PPC::X4 : PPC::R4;
+}
+
bool
PPCTargetLowering::shouldExpandBuildVectorWithShuffles(
EVT VT , unsigned DefinedValues) const {
projects / oota-llvm.git / blobdiff